/*	$FreeBSD: src/sys/crypto/sha2/sha2.h,v 1.1.2.1 2001/07/03 11:01:36 ume Exp $	*//*	$KAME: sha2.h,v 1.3 2001/03/12 08:27:48 itojun Exp $	*//* * sha2.h * * Version 1.0.0beta1 * * Written by Aaron D. Gifford <me@aarongifford.com> * * Copyright 2000 Aaron D. Gifford.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * 3. Neither the name of the copyright holder nor the names of contributors *    may be used to endorse or promote products derived from this software *    without specific prior written permission. *  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTOR(S) ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTOR(S) BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */#ifndef __SHA2_H__#define __SHA2_H__#ifdef __cplusplusextern "C" {#endif/*** SHA-256/384/512 Various Length Definitions ***********************/#define SHA256_BLOCK_LENGTH		64#define SHA256_DIGEST_LENGTH		32#define SHA256_DIGEST_STRING_LENGTH	(SHA256_DIGEST_LENGTH * 2 + 1)#define SHA384_BLOCK_LENGTH		128#define SHA384_DIGEST_LENGTH		48#define SHA384_DIGEST_STRING_LENGTH	(SHA384_DIGEST_LENGTH * 2 + 1)#define SHA512_BLOCK_LENGTH		128#define SHA512_DIGEST_LENGTH		64#define SHA512_DIGEST_STRING_LENGTH	(SHA512_DIGEST_LENGTH * 2 + 1)#ifdef __minix#include <assert.h>#include <string.h>#include <sys/types.h>#include <minix/u64.h>typedef u8_t u_int8_t;	/* 1-byte  (8-bits)  */typedef u32_t u_int32_t;	/* 4-bytes (32-bits) */typedef u64_t u_int64_t;	/* 8-bytes (64-bits) */#ifndef __P#define __P(x) x#endif#define NO_64BIT	1#define MINIX_64BIT	1#define SHA2_BYTE_ORDER		0x04030201#define SHA2_LITTLE_ENDIAN	0x04030201#define SHA2_BIG_ENDIAN		0x01020204#define bcopy(s,d,l)	(memmove((d),(s),(l)))#define bzero(d,l)	(memset((d),'\0',(l)))#endif/*** SHA-256/384/512 Context Structures *******************************//* NOTE: If your architecture does not define either u_intXX_t types or * uintXX_t (from inttypes.h), you may need to define things by hand * for your system: */#if 0typedef unsigned char u_int8_t;		/* 1-byte  (8-bits)  */typedef unsigned int u_int32_t;		/* 4-bytes (32-bits) */typedef unsigned long long u_int64_t;	/* 8-bytes (64-bits) */#endif/* * Most BSD systems already define u_intXX_t types, as does Linux. * Some systems, however, like Compaq's Tru64 Unix instead can use * uintXX_t types defined by very recent ANSI C standards and included * in the file: * *   #include <inttypes.h> * * If you choose to use <inttypes.h> then please define:  * *   #define SHA2_USE_INTTYPES_H * * Or on the command line during compile: * *   cc -DSHA2_USE_INTTYPES_H ... */#if 0 /*def SHA2_USE_INTTYPES_H*/typedef struct _SHA256_CTX {	uint32_t	state[8];	uint64_t	bitcount;	uint8_t	buffer[SHA256_BLOCK_LENGTH];} SHA256_CTX;typedef struct _SHA512_CTX {	uint64_t	state[8];	uint64_t	bitcount[2];	uint8_t	buffer[SHA512_BLOCK_LENGTH];} SHA512_CTX;#else /* SHA2_USE_INTTYPES_H */typedef struct _SHA256_CTX {	u_int32_t	state[8];	u_int64_t	bitcount;	u_int8_t	buffer[SHA256_BLOCK_LENGTH];} SHA256_CTX;typedef struct _SHA512_CTX {	u_int64_t	state[8];	u_int64_t	bitcount[2];	u_int8_t	buffer[SHA512_BLOCK_LENGTH];} SHA512_CTX;#endif /* SHA2_USE_INTTYPES_H */typedef SHA512_CTX SHA384_CTX;/*** SHA-256/384/512 Function Prototypes ******************************/void SHA256_Init __P((SHA256_CTX *));void SHA256_Update __P((SHA256_CTX*, const u_int8_t*, size_t));void SHA256_Final __P((u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*));char* SHA256_End __P((SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]));char* SHA256_Data __P((const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]));void SHA384_Init __P((SHA384_CTX*));void SHA384_Update __P((SHA384_CTX*, const u_int8_t*, size_t));void SHA384_Final __P((u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*));char* SHA384_End __P((SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]));char* SHA384_Data __P((const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]));void SHA512_Init __P((SHA512_CTX*));void SHA512_Update __P((SHA512_CTX*, const u_int8_t*, size_t));void SHA512_Final __P((u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*));char* SHA512_End __P((SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]));char* SHA512_Data __P((const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]));#ifdef	__cplusplus}#endif /* __cplusplus */#endif /* __SHA2_H__ *//* * $PchId: sha2.h,v 1.1 2005/06/28 14:29:33 philip Exp $ */